Finding the Fourth Proportional to 818,901,088.12, 1,228,837,014.90 and 301,694,440.06
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Solution
The fourth proportional to 818,901,088.12, 1,228,837,014.90 and 301,694,440.06 is: 452,720,481.77
Step by Step Solution
- Step 1: Write the proportion equation
818,901,088.12 : 1,228,837,014.90 = 301,694,440.06 : x - Step 2: Convert to fraction form
818,901,088.12/1,228,837,014.90 = 301,694,440.06/x - Step 3: Cross multiply
818,901,088.12x = 1,228,837,014.90 × 301,694,440.06 - Step 4: Simplify right side
818,901,088.12x = 370,733,295,135,257,408 - Step 5: Solve for x
x = 370,733,295,135,257,408/818,901,088.12 - Step 6: Final answer
x = 452,720,481.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.